Product Summary

The DS18S20+T is a Digital Thermometer. It provides 9–bit temperature readings which indicate the temperature of the device. Power for reading, writing, and performing temperature conversions can be derived from the data line itself with no need for an external power source. The DS18S20+T contains a unique silicon serial number, multiple DS18S20s can exist on the same 1-Wire bus. This allows for placing temperature sensors in many different places. Applications of the DS18S20+T are HVAC environmental controls, sensing temperatures inside buildings, equipment or machinery, and process monitoring and control.

Parametrics

DS18S20+T absolute maximum ratings: (1)Voltage on Any Pin Relative to Ground: –0.5V to +6.0V; (2)Operating Temperature:–55℃ to +125℃; (3)Storage Temperature:–55℃ to +125℃.

Features

DS18S20+T features: (1)Unique 1–Wire interface requires only one port pin for communication; (2)Multidrop capability simplifies distributed temperature sensing applications; (3)Requires no external components; (4)Can be powered from data line. Power supply range is 3.0V to 5.5V; (5)Zero standby power required; (6)Measures temperatures from –55℃ to +125℃; (7)±0.5℃ accuracy from –10℃ to +85℃; (8)Temperature is read as a 9–bit digital value; (9)Converts temperature to digital word in 750 ms (max.); (10)User–definable, nonvolatile temperature alarm settings; (11)Alarm search command identifies and addresses devices whose temperature is outside of programmed limits (temperature alarm condition); (12)Functionally compatible with DS1820 1-Wire digital thermometer; (13)Applications include thermostatic controls, industrial systems, consumer products, thermometers, or any thermally sensitive system.

Diagrams

DS18S20+T block diagram

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